[INFO] cloning repository https://github.com/NeeravaNraj/rust_lox_ast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NeeravaNraj/rust_lox_ast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeeravaNraj%2Frust_lox_ast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeeravaNraj%2Frust_lox_ast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c6b91e5f83e45bd2da61b5668ef39073ba98369
[INFO] checking NeeravaNraj/rust_lox_ast/3c6b91e5f83e45bd2da61b5668ef39073ba98369 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeeravaNraj%2Frust_lox_ast" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NeeravaNraj/rust_lox_ast on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NeeravaNraj/rust_lox_ast
[INFO] finished tweaking git repo https://github.com/NeeravaNraj/rust_lox_ast
[INFO] tweaked toml for git repo https://github.com/NeeravaNraj/rust_lox_ast written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NeeravaNraj/rust_lox_ast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea2ce3883bd83fbee15ec92ec704fbff79a14458107d307730cd70ad21ce1a8a
[INFO] running `Command { std: "docker" "start" "-a" "ea2ce3883bd83fbee15ec92ec704fbff79a14458107d307730cd70ad21ce1a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea2ce3883bd83fbee15ec92ec704fbff79a14458107d307730cd70ad21ce1a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2ce3883bd83fbee15ec92ec704fbff79a14458107d307730cd70ad21ce1a8a", kill_on_drop: false }`
[INFO] [stdout] ea2ce3883bd83fbee15ec92ec704fbff79a14458107d307730cd70ad21ce1a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3004df9bf0c715c9944faaa4ccd9091fe9552da910db330dd0d6d2f38c08298
[INFO] running `Command { std: "docker" "start" "-a" "a3004df9bf0c715c9944faaa4ccd9091fe9552da910db330dd0d6d2f38c08298", kill_on_drop: false }`
[INFO] [stderr]    Compiling r_lox_ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `r_lox_ast v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/r_lox_ast-04f821984c5073ad/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "a3004df9bf0c715c9944faaa4ccd9091fe9552da910db330dd0d6d2f38c08298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3004df9bf0c715c9944faaa4ccd9091fe9552da910db330dd0d6d2f38c08298", kill_on_drop: false }`
[INFO] [stdout] a3004df9bf0c715c9944faaa4ccd9091fe9552da910db330dd0d6d2f38c08298